Some Historical Pigments and their Replacements

Alizarin Crimson (PR 83:1, ASTM III) Alizarin Crimson was created in 1868 by the German chemists, Grabe and Lieberman, as a more lightfast substitute to Genuine Rose Madder.  This was accomplished by isolating part of the madder root colorant, 1,2 dihydroxyanthraquinone (Alizarin), from the more fugitive 1,2,4 trihydrozyanthraquinone (Purpurin).  This is

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Historical Color Matches: Historically Significant Colors Recreated with GOLDEN Acrylics

Below are mixing ratios for historically important colors and some recently discontinued GOLDEN colors. We have tried to duplicate each hue as closely as possible, however, pigments often have unique attributes which make exact color matching impossible. When using this guide bear in mind which characteristics are important for your

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GOLDEN Molding Pastes Offer Many Textural Options!

Artists are often asking why our product is called “Molding Paste” while everyone else’s is called “Modeling Paste”, and is there any difference? First, I have no idea why the product was called Molding Paste. It can be placed in a mold, but it wasn’t particularly developed for that purpose.

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The Ever-Changing Artist’s Palette

Pigment is the very essence of paint. Regardless of the vehicle that is used to adhere it to the substrate, pigment selection is based on one simple criterion. The colorant must be the right hue. Once that factor is met, the artist can compare it to other available pigments of

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Gesso Survey Results Insightful for Subcommittee

Nearly 300 responses to Just Paint 4’s Gesso Survey for ASTM Subcommitee on Artist Materials! Many of the artists who took the time to complete and return the Gesso Survey we ran in Just Paint, Issue 4 also used that opportunity to ask questions and make comments about our products,

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Techniques for Cleaning Acrylic Paintings

EDITOR’S NOTE (4/26/23): Please note that Polymer Varnish has been discontinued and replaced with Gloss Waterborne Varnish. You can read more about it here. As with any surface around the home, office, or especially, in a public place, paintings become a depository for airborne dust. They can also get touched occasionally, either

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Technical Notes on Drying

Although acrylic paint tends to dry quickly, several techniques and additives can extend wet time. This Information Sheet discusses how acrylic paints cure and describes how that process can be controlled and manipulated to an artist’s advantage.   The Acrylic Drying Process Water is Forced Out by Capillary Action: Acrylics

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Supplies Needed to Process Rinse Water

Feststoffe von wasserbasierten Farben aus Spülwasser entfernen

Wenn Sie kein mit Acrylfarben angereichertes Wasser in den Abfluss spülen möchten, können Sie dieses vor der Entsorgung filtern. Dieser Prozess besteht aus der chemischen Behandlung des kontaminierten Wassers, das bewirkt, dass die Feststoffe ausflocken. Darauf folgt das Filtern, um die Feststoffe aus dem Wasser zu entfernen. Die benötigten Materialien

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